SR2004 over Bonnie Brook
PoorButler County, Pennsylvania · East Butler Boro · Structure no. 000000000008023
- Built
- 1951
- 74 years old
- Condition
- Poor
- inspected February 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 65 ft
- 1 main span
- Daily traffic
- 1,727
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SR2004 over Bonnie Brook is a steel stringer/multi-beam or girder carrying SR2004 over Bonnie Brook in Butler County, Pennsylvania. It was built in 1951, so it is 74 years old, older than the Pennsylvania average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 1,727 vehicles a day, roughly 7% of them trucks, projected to reach 2,962 by 2032. The structure is 65 ft (19.8 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR2004 over Bonnie Brook built?
It was built in 1951, making it 74 years old in 2025.
What condition is SR2004 over Bonnie Brook in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2023.
How much traffic does SR2004 over Bonnie Brook carry?
About 1,727 vehicles per day (2024 count), of which roughly 7% are trucks.
How long is SR2004 over Bonnie Brook?
The structure is 65 ft (19.8 m) long with a longest span of 60 ft (18.3 m) and a deck 34 ft wide.
Who owns SR2004 over Bonnie Brook?
It is owned by the State Highway Agency.